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113 lines
4.1 KiB
Python
113 lines
4.1 KiB
Python
"""
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A series of tests to establish that the command-line bash completion works.
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"""
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import os
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import sys
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import unittest
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from django.apps import apps
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from django.core.management import ManagementUtility
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from django.utils.six import StringIO
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class BashCompletionTests(unittest.TestCase):
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"""
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Testing the Python level bash completion code.
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This requires setting up the environment as if we got passed data
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from bash.
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"""
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def setUp(self):
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self.old_DJANGO_AUTO_COMPLETE = os.environ.get('DJANGO_AUTO_COMPLETE')
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os.environ['DJANGO_AUTO_COMPLETE'] = '1'
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self.output = StringIO()
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self.old_stdout = sys.stdout
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sys.stdout = self.output
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def tearDown(self):
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sys.stdout = self.old_stdout
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if self.old_DJANGO_AUTO_COMPLETE:
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os.environ['DJANGO_AUTO_COMPLETE'] = self.old_DJANGO_AUTO_COMPLETE
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else:
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del os.environ['DJANGO_AUTO_COMPLETE']
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def _user_input(self, input_str):
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"""
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Set the environment and the list of command line arguments.
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This sets the bash variables $COMP_WORDS and $COMP_CWORD. The former is
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an array consisting of the individual words in the current command
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line, the latter is the index of the current cursor position, so in
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case a word is completed and the cursor is placed after a whitespace,
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$COMP_CWORD must be incremented by 1:
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* 'django-admin start' -> COMP_CWORD=1
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* 'django-admin startproject' -> COMP_CWORD=1
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* 'django-admin startproject ' -> COMP_CWORD=2
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"""
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os.environ['COMP_WORDS'] = input_str
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idx = len(input_str.split(' ')) - 1 # Index of the last word
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comp_cword = idx + 1 if input_str.endswith(' ') else idx
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os.environ['COMP_CWORD'] = str(comp_cword)
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sys.argv = input_str.split()
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def _run_autocomplete(self):
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util = ManagementUtility(argv=sys.argv)
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try:
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util.autocomplete()
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except SystemExit:
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pass
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return self.output.getvalue().strip().split('\n')
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def test_django_admin_py(self):
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"django_admin.py will autocomplete option flags"
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self._user_input('django-admin sqlall --verb')
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output = self._run_autocomplete()
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self.assertEqual(output, ['--verbosity='])
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def test_manage_py(self):
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"manage.py will autocomplete option flags"
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self._user_input('manage.py sqlall --verb')
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output = self._run_autocomplete()
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self.assertEqual(output, ['--verbosity='])
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def test_custom_command(self):
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"A custom command can autocomplete option flags"
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self._user_input('django-admin test_command --l')
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output = self._run_autocomplete()
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self.assertEqual(output, ['--list'])
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def test_subcommands(self):
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"Subcommands can be autocompleted"
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self._user_input('django-admin sql')
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output = self._run_autocomplete()
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self.assertEqual(output, ['sql sqlall sqlclear sqlcustom sqldropindexes sqlflush sqlindexes sqlmigrate sqlsequencereset'])
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def test_completed_subcommand(self):
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"Show option flags in case a subcommand is completed"
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self._user_input('django-admin startproject ') # Trailing whitespace
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output = self._run_autocomplete()
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for item in output:
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self.assertTrue(item.startswith('--'))
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def test_help(self):
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"No errors, just an empty list if there are no autocomplete options"
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self._user_input('django-admin help --')
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output = self._run_autocomplete()
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self.assertEqual(output, [''])
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def test_runfcgi(self):
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"Command arguments will be autocompleted"
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self._user_input('django-admin runfcgi h')
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output = self._run_autocomplete()
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self.assertEqual(output, ['host='])
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def test_app_completion(self):
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"Application names will be autocompleted for an AppCommand"
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self._user_input('django-admin sqlall a')
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output = self._run_autocomplete()
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a_labels = sorted(app_config.label
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for app_config in apps.get_app_configs()
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if app_config.label.startswith('a'))
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self.assertEqual(output, a_labels)
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